Elucidation of the stereochemistry of diterpene derivatives obtained by palladium catalyzed oxidative coupling-oxidation of camphene

Elucidation of the stereochemistry of diterpene derivatives obtained by palladium catalyzed oxidative coupling-oxidation of camphene

The structures of diterpene derivatives resulting from the palladium catalyzed tandem oxidative coupling-oxidation of camphene, i.e., bis(2,2-dimethyl-bicyclo[2.2.1]hept-3-ylidene)ethane and (4,4-dimethylbicyclo[3.2.1]oct-2-on-3-yl)(2,2-dimethylbicyclo[2.2.1]hept-3-ylidene)methane, were elucidated u...

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Bibliographic Details
Main Authors: Gusevskaya Elena V., Silva Marcio J. da
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2003-01-01
Series:Journal of the Brazilian Chemical Society
Subjects:
camphene oxidation
palladium catalyst
diterpene derivatives
NMR spectroscopy
NOESY
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532003000100014
Description
Summary:The structures of diterpene derivatives resulting from the palladium catalyzed tandem oxidative coupling-oxidation of camphene, i.e., bis(2,2-dimethyl-bicyclo[2.2.1]hept-3-ylidene)ethane and (4,4-dimethylbicyclo[3.2.1]oct-2-on-3-yl)(2,2-dimethylbicyclo[2.2.1]hept-3-ylidene)methane, were elucidated using one- and two-dimensional ¹H and13C NMR techniques. Their stereochemistry was determined unambiguously by NOESY experiments.
ISSN:0103-5053

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